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Mathematics 23 Online
OpenStudy (anonymous):

idk battery? Which of the following is a source of direct electric current? A. transformer B. Coulomb C. switch D. battery

OpenStudy (anonymous):

Coulomb is unit SI unit for charge so let me think

OpenStudy (anonymous):

battery for sure

OpenStudy (anonymous):

it is d

OpenStudy (anonymous):

wooooooo :]

OpenStudy (anonymous):

aha I<3 Fun are you doing physics online?

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